1332420636 has 96 divisors (see below), whose sum is σ = 3350108160. Its totient is φ = 411181056.

The previous prime is 1332420571. The next prime is 1332420637. The reversal of 1332420636 is 6360242331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332420637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1155036 + ... + 1156188.

It is an arithmetic number, because the mean of its divisors is an integer number (34896960).

Almost surely, 2^1332420636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1332420636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675054080).

1332420636 is an abundant number, since it is smaller than the sum of its proper divisors (2017687524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1332420636 is a wasteful number, since it uses less digits than its factorization.

1332420636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 1332420636 is about 36502.3374046101. The cubic root of 1332420636 is about 1100.3912206235.

Adding to 1332420636 its reverse (6360242331), we get a palindrome (7692662967).

The spelling of 1332420636 in words is "one billion, three hundred thirty-two million, four hundred twenty thousand, six hundred thirty-six".